±10% max. of sensing distance in temperature range of 0 to +70 ℃±15% max. of sensing distance in temperature range of +70 to +100 ℃-15% to +20% of sensing distance in temperature range of +100 to +120 ℃(As the basis for sensing distance of 23 ℃)

Voltage influence

±10% max. of sensing distance in rated voltage range ±15%.(As the basis for sensing distance at standard power voltage)